By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.

Correct Answer: Option B — two years imprisonment or $1000

Under 46 U.S. Code § 2303, failure to render assistance after a collision without reasonable cause is a criminal offense. The statute specifically prescribes a penalty of up to two years imprisonment or a fine of $1,000 for the Master or individual in charge who fails to comply with these requirements.